Home / 4,499.84-6,211.64-2,820.86

Finding the Fourth Proportional to 4,499.84, 6,211.64 and 2,820.86

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Solution

The fourth proportional to 4,499.84, 6,211.64 and 2,820.86 is: 3,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.84 : 6,211.64 = 2,820.86 : x
  2. Step 2: Convert to fraction form
    4,499.84/6,211.64 = 2,820.86/x
  3. Step 3: Cross multiply
    4,499.84x = 6,211.64 × 2,820.86
  4. Step 4: Simplify right side
    4,499.84x = 17,522,121.65
  5. Step 5: Solve for x
    x = 17,522,121.65/4,499.84
  6. Step 6: Final answer
    x = 3,893.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.